979
CXUS56 KOTX 012331
CLALWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
322 PM PST THU JAN 01 2026
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR THE YEAR OF 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2025
WEATHER OBSERVED NORMAL DEPART
VALUE DATE(S) VALUE FROM
NORMAL
............................................
TEMPERATURE (F)
RECORD
HIGH 117 07/27/1939
LOW -23 12/13/1919
HIGHEST 104 07/08
07/30
08/31
LOWEST 0 02/12
AVG. MAXIMUM 66.7 64.2 2.5
AVG. MINIMUM 45.6 43.3 2.3
MEAN 56.1 53.8 2.3
DAYS MAX >= 90 63 44.1 18.9
DAYS MAX <= 32 8 12.3 -4.3
DAYS MIN <= 32 60 79.8 -19.8
DAYS MIN <= 0 1 0.3 0.7
PRECIPITATION (INCHES)
RECORD
MAXIMUM 21.76 1884
MINIMUM 7.73 2007
TOTALS 10.06 12.87 -2.81
DAILY AVG. 0.03 0.04 -0.01
DAYS >= .01 111 106.2 4.8
DAYS >= .10 36 41.4 -5.4
DAYS >= .50 2 3.4 -1.4
DAYS >= 1.00 0 0.2 -0.2
GREATEST
24 HR. TOTAL 0.67
SNOWFALL (INCHES)
RECORDS
TOTAL 62.2 1916
TOTALS 11.6 12.7 -1.1
DAYS >= TRACE 20 11.0 9.0
DAYS >= 1.0 2 4.2 -2.2
GREATEST
24 HR TOTAL 0.0
DEGREE DAYS
HEATING TOTAL 4410 4980 -570
COOLING TOTAL 1312 913 399
FREEZE DATES
RECORD
EARLIEST 09/17/1965
LATEST 05/12/1985
EARLIEST 11/24
LATEST 04/01
............................................
WIND (MPH)
AVERAGE WIND SPEED 5.3
HIGHEST WIND SPEED/DIRECTION 58/260 DATE 12/17
HIGHEST GUST SPEED/DIRECTION 83/260 DATE 12/17
SKY COVER
AVERAGE SKY COVER 0.35
AVERAGE RH (PERCENT) 59
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 10 MIXED PRECIP 0
HEAVY RAIN 6 RAIN 17
LIGHT RAIN 133 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 4
LIGHT SNOW 23 SLEET 0
FOG 88 FOG W/VIS <= 1/4 MILE 29
HAZE 33
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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